36 |
7 |
x2 |
a2 |
y2 |
b2 |
a2 |
c |
a2 |
c |
3 |
x2 |
36 |
y2 |
27 |
x2 |
4c2 |
y2 |
3c2 |
|
(x3-x4)2+(y3-y4)2 |
2 |
24 |
7 |
36 |
7 |
3 |
2 |
|
9 |
4 |
x2 |
a2 |
y2 |
b2 |
x2 |
a2 |
y2 |
b2 |
| ||
2 |
| ||
2 |
PF1 |
PF2 |
3 |
4 |
6 |
5 |
x2 |
a2 |
y2 |
b2 |
x2 |
a2 |
y2 |
b2 |
1 |
3 |
x2 |
m2 |
y2 |
n2 |
OA |
1 |
2 |
OB |
2 |
x2 |
a2 |
y2 |
b2 |
1 |
t2+1 |
n |
m |
© 2017-2019 超级试练试题库,All Rights Reserved.